Ventilator



Nov. 4 1924. g

R. E. POULEY ET AL VENTILATOR Filed May- 5, 1924 2 Shanks-Shea?. l

fifi/@Maxfi- Nov., 4 1924-,

VENTILATOR Filed May 5b1 192.4.

2 .Shasta-sham 2 Patented Non, llda fugaz iiraildd sonner E. router am) autres? o. Haumann, or omesso, Immer vnnrntaron.

Application ined May 5,

To all whom t may concern.'

Be it known that We,- ROBERT E. POULEY and MILTON C.' HARTMAN, citizens of the United States, and residents et the cityo Chicago, county of Cook,r and State of Illinois, respectively, have invented certain new and useful Improvements in Ventilatore, of Whicht-he following is s specification.

Our invention relates to improvements in ventilators, especially adapted ior use in theatres and the like, the object of the invention being to provide a simple construe tion of this character which is highly et'- icient in use.

Other objects will appear hereinafter.

rlhe invention consists in the combinations and arrangements of parts hereinafter described 'and claimed.

The invention Will be best understood by reference to the accompanying drawings 'forming a part of this specification, and in Which- F ig. 1 is a view illustrating a plurality of ventilators in position for use;

Fig. 2, an enlarged section taken on line 2-2 of F ig. l;

Fig. 3, a bottom plan vievv corresponding With Fig. 2, and

Fig. e, a section taken on line 1 -i of Fig. 2.

The preferred forni of construction as illustrated `in the drawings comprises a supporting rim 5 adapted and arranged Within the usual air openings 6 leading upwardly from thel usual Ventilating air duct 7 arranged under the lioor of a theatre or the like, said air openings leading upwardly through the Hoor under the seats as shown.

The supporting rim 5 is provided With a.

supporting flange 8 resting on the floor and a damper 9 is pivotally mounted in said -supporting rim being secured to a, support ing shaft 10 journalled at its ends in the rim. A. set screw 1l is provided in. the rim 5 at one end of shaft l0 and serves to lock the damper 9 in adjusted `position so as to control the passage ont air from the air duct 7.

A. ventilator housing is arranged over the support 5, the Ventilating housing comprising a closed top 'l2 and depending iront and rear Walls 13 secured to lugs lll on supporting rino 5 by means of bolts as shown. @ratings 15 are secured to lugs 16 1924. serial no. nasa?.

with the air ducts below7 the licor. By ad-r j usting the dempers 9 mounted in the ventilators air escaping from the air ducts may be regulated as desired. @Wing to the factthat the top, front and rear 'Walls of .the housings are closed no direct drafts will be projected onto the occupants of the seats, the incoming fresh air being diverted laterally under the seats.

While 'We have illustrated and described the preferred form of construction for carrying our invention into ei'ect, this is capable of variation and modiiication without departing from the spirit of the invention. 7We, therefore, do not Wish to be limited to the precise details of construction set forth, but desire to avail ourselves of such variations and moditicationsas come Within the scope of the appended claims.

Having described our invention, what we claim as new and desire to secure by Letters Patent is:

l. 'lhe combination with a seat having an air opening in the floor thereunder, of a ventilator therefor in the form of e.. riin fitting intosaid opening and provided with a flange resting on the toor; lxrgs on the top of said rim; a housing having a closed top and depending front and rear Walls an ranged over said rim, the lower ends of said Walls being secured to said lugs, the sides of said housing being open; a grating arranged across each open side of said hensing; aS shaft rotatably mounted in said rin and traversing the loor opening; a damper TES secured to said shaft and arranged in said opening; and a screw in said rim en` gaging said shaft, substantially as described.

2. The combination with a seat having an air opening in thefdoor' thereunder, of a ventilator therefor in the form of a rim itting into said opening and provided with a flange resting on the oor.; upstanding lugs on said rim;l a housingv having a closed top and depending front and rear walls Y secured to said lugs, the sides et said housing being open; depending lugs on the top of said housing vvithinther open side theregli 1,524,396;

of; gratings secured to said depending lugs in testimony whepeof We have signd our ami arranged across the open sldes of said names to thls speclcauon 1n the, presence 1U housing; :L ventilator shaft rotatably mountof two subscribing Witnesses.

ed in said rim and traversing the oor open- ROBERT E. POULEY. ing; a damper secured to said shaft and ur- MLTGN G. HARTMN. ranged in said opening; and a set screw in Vtnesses: said 'm engaging said Shaft, subsmntialy JOSHUA. R. H. Poms,

as describe-d. MARGARET Amm. 

